S7005 CE/P4ADT
Sealed Super Precision Angular Contact Ball Bearings
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S7005 CE/P4ADT Bearing Product Overview & Core Advantages
The S7005 CE/P4ADT is a super-precision angular contact ball bearing designed for the most demanding applications. This duplex tandem (DT) matched set delivers exceptional performance by combining two bearings to achieve superior axial rigidity and load capacity in one direction. Manufactured to the exacting P4A tolerance class, it guarantees ultra-high running accuracy, making it ideal for high-speed spindles and other precision machinery where minimal runout and maximum stability are critical.
S7005 CE/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| S7005 | Bearing Series & Size | Denotes a 25mm bore, 47mm OD, 24mm width super-precision bearing series. |
| C | 15° Contact Angle | Optimized for high-speed operation with a balanced load capacity. |
| E | Optimized Internal Design | Enhanced internal geometry for improved performance and speed capability. |
| P4A | Tolerance Class | Exceeds ABEC 7/ISO P4 standards, ensuring ultra-high precision for spindle applications. |
| DT | Duplex Tandem Arrangement | Two bearings are factory-matched and preloaded to act as a single unit, maximizing axial stiffness. |
S7005 CE/P4ADT Bearing Structural Features & Performance Benefits
Unmatched Rigidity and Load Capacity: The duplex tandem arrangement is the core of this bearing's performance. By pairing two bearings, it creates an exceptionally rigid assembly capable of supporting heavy axial loads in one direction, which is paramount for machine tool spindles.
High-Speed Capability: The combination of a 15° contact angle, a lightweight and robust phenolic resin cage, and an optimized internal design (suffix E) allows this bearing to achieve a remarkable limiting speed of 83,000 rpm.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on bore, outside diameter, and width, this bearing ensures minimal vibration and superior running accuracy for finish and precision.
Sealed and Lubricated for Life: As a sealed bearing pre-lubricated with high-performance grease, it is protected from contamination and is ready for immediate installation, offering a maintenance-free solution within its specified operating range.
S7005 CE/P4ADT Bearing Typical Application Areas
- High-Frequency Machine Tool Spindles: For CNC machining centers, grinding spindles, and milling spindles requiring extreme precision and speed.
- Precision Robotic Drives: In critical joints and arm assemblies where high rigidity and accuracy are non-negotiable.
- High-Speed Motors and Turbines: Supporting shafts in applications where rotational balance and low friction are essential.
- Medical and Dental Equipment: In high-speed handpieces and diagnostic scanners demanding quiet, reliable, and precise operation.
- Aerospace Actuation Systems: For flight control mechanisms and other systems requiring reliable performance under demanding conditions.
